On 11/7/06, Mark Carlson <
[EMAIL PROTECTED]
> wrote:
On 11/7/06, Hendrik Schaink < [EMAIL PROTECTED] > wrote:
> Hello all,
>
> I'm stumped on this one so I'd like to invite yourfeedback. This is the
> first time I'm experiencing _this_ kind of (unexplainable) trouble.
>
> Three (3!) D-Link firewall routers (wired, model DI-804HV) with linux
> firmware have died at a client's site in the past 5 days, each within 12
> - 24 hrs of being installed. For several hours each appliance would work
> just fine, then, for some unknown reason, stop responding to requests at
> the Admin interface, stop forwarding requests to/from the internet. When
> hooking a computer directly to the the ADSL modem, no problem getting on
> the 'net.
>
> My preliminary diagnosis options: (1) power bump/surge; (2) static
> electricity discharge through the network cabling; (3) phone line
> voltage spike(?).
>
> Location: close to University Research park, power grid transformer in
> the back yard. Been using Telus ADSL for years without major problems.
>
> I'm about to put in an IPCop firewall -- trying to see if _it_ will
> survive in that environment.
>
> Am I overlooking something? I appreciate your comments & suggestions.
>
> Hendrik Schaink
How is the temperature situation? I had a router (don't know the real
model, it was a cheapo dell wireless router) that kept overheating in
the summer because it was on top of my cable modem. If they aren't
getting adequate cooling, this could be the case. When my router was
overheating it was semi-functional in the sense that the correct
lights were on, but nobody was home.
Other things to try:
- Move them to a different breaker and/or outlet; don't rule out
electrical problems just because some other piece of hardware woks in
that socket. I've seen two outlets in the same room with 50V+ between
their earth grounds (bad wiring.)
- consider firmware upgrades for the routers as well.
-Mark
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